| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a printing apparatus. <P>SOLUTION: A printing apparatus includes: a flow channel plate 110 including a nozzle 128 including an outlet through which ink contained in a pressure chamber is ejected, and a trench 160 disposed around the nozzle 128, and having an opening facing in the same direction with the outlet, the outlet extending into the opening; a piezoelectric actuator 130 configured to provide a change in pressure to the ink contained in the pressure chamber; and an electrostatic actuator 140 configured to provide an electrostatic driving force to the ink contained in the nozzle. <P>COPYRIGHT: (C)2013,JPO&INPIT |
